as radical gets. >>steve: have you seen this? the dramatic video of police closing inondzhokhartsarnaev? theyused an infrared thermal imaging camera to pinpoint his exact location and movements inside the boat. >>brian: joining us with more on this technology taken from above, anna kooiman. >> good morning. they are stunning, these images. they were taken while taking tsarnaev into custody. you can see in the video released by the massachusetts state police, the 19-year-old in the boat, that image you see there is his body highlighted to thermal imaging. police were able to monitor his every movement because of this technology. now watch this. those big black puffs, those are explosions believed to be the flash grenades police threw at him. the company that makes the thermal cameras said the equipment worked exactly how it was supposed to. >> i think it was a real win they could look through the cover and see him lying inside the technology has been around for decades, but as you can see it keeps getting better and better. flare has more than 100 cameras in law enforcement communities.

to do it with thenames.dzhokhartsarnaevtellingauthorities how and why they planned the attack. >> good morning. dzhokhar tsarnaev remains in serious condition here but now he is facing serious charges as well. the use of a weapon of mass destruction and malicious destruction of property resulting in death. he was arraigned from his hospital bed before a federal magistrate who determine he was alert, mentally competent and lucid. and now we know he has begun to communicate. he was able to nod during this hearing and he said one word -- "no" -- when asked if he could afford a lawyer. court papers line out the time saying tsarnaev was caught in the area before the bombing 11 minutes before and was seen fiddling with his cell phone shortly before the blast. tsarnaev is communicating with authorities revealing the internet provided a lot of information on this attack and there was no foreign help. sources tell abc that tsarnaev claims they had no direct financing from governments or rogue groups -- or rogue groups overseas, and that the younger brother may not have known about this